Bump version to 2.1.11

Just for the signature

just for signature

Just to get a signed tag

This might be more interesting

gitpython-developers/GitPython@2.1.7...2.1.8

version up

Fixes gitpython-developers#637

version bump

chore(version-up): v2.1.5

Fixes gitpython-developers#632

chore(version-up): v2.1.4

This re-release is just to get GPG signatures on releases.

chore(version): 2.1.3

Just because I messed up the previous one and ...
pypi allows to delete files for releases,
but doesn't allow to replace them with a similarly named
one. WTF? Since when is a name important anyway?

chore(version): v2.1.2